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Higgs Uncovering Light Scalar Remnants of High Scale Matter Unification
Ilja Dorsner, Svjetlana Fajfer, Admir Greljo +1
We consider the impact of colored scalars that can couple directly to matter fields on the recently measured h to gamma gamma excess. Among all possible candidates only scalar stat…
Resonance catalyzed CP asymmetries in D -> P l+ l-
Svjetlana Fajfer, Nejc Kosnik
Recently observed increase of direct CP asymmetry in charm meson nonleptonic decays is difficult to explain within the SM. If this effect is induced by new physics, this might be i…
Implications of lepton flavor universality violations in B decays
Svjetlana Fajfer, Jernej F. Kamenik, Ivan Nisandzic +1
Present measurements of b->c tau nu and b->u tau nu transitions differ from the standard model predictions of lepton flavor universality by almost 4sigma. We examine new physics in…
Discerning New Physics in Top-Antitop Production using Top Spin Observables at Hadron Colliders
Svjetlana Fajfer, Jernej F. Kamenik, Blazenka Melic
Copious production of top-antitop quark pairs at hadron colliders has enabled various probes into the properties and interactions of top quarks. Among the various presently measure…
Heavy and light scalar leptoquarks in proton decay
Ilja Dorsner, Svjetlana Fajfer, Nejc Kosnik
We list scalar leptoquarks that mediate proton decay via renormalizable couplings to the Standard Model fermions. We employ a general basis of baryon number violating operators to…
On the B to D* tau nu Sensitivity to New Physics
Svjetlana Fajfer, Jernej F. Kamenik, Ivan Nisandzic
B physics has played a prominent role in investigations of new physics effects at low-energies. Presently, the largest discrepancy between a standard model prediction and experimen…